680524850744830 has 64 divisors (see below), whose sum is σ = 1507633457541120. Its totient is φ = 215373587416704.

The previous prime is 680524850744789. The next prime is 680524850744831. The reversal of 680524850744830 is 38447058425086.

It is a super-2 number, since 2×680524850744830² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680524850744831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153208351 + ... + 157587589.

It is an arithmetic number, because the mean of its divisors is an integer number (23556772774080).

Almost surely, 2^{680524850744830} is an apocalyptic number.

680524850744830 is an abundant number, since it is smaller than the sum of its proper divisors (827108606796290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680524850744830 is a wasteful number, since it uses less digits than its factorization.

680524850744830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550033.

The product of its (nonzero) digits is 206438400, while the sum is 64.

The spelling of 680524850744830 in words is "six hundred eighty trillion, five hundred twenty-four billion, eight hundred fifty million, seven hundred forty-four thousand, eight hundred thirty".